sc68c752b NXP Semiconductors, sc68c752b Datasheet - Page 3

• Manufacturer Part Number: sc68c752b
• Description: 5 V, 3.3 V And 2.5 V Dual Uart, 5 Mbit/s Max. , With 64-byte Fifos And Motorola Up Interface
• Manufacturer: NXP Semiconductors

Philips Semiconductors
4. Block diagram
SC68C752B_3
Product data sheet
Fig 1. Block diagram of SC68C752B
RXRDYA, RXRDYB
TXRDYA, TXRDYB
D0 to D7
A0 to A3
RESET
R/W
IRQ
CS
SC68C752B
INTERRUPT
REGISTER
CONTROL
CONTROL
DATA BUS
SELECT
LOGIC
LOGIC
LOGIC
AND
5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 64-byte FIFOs
Rev. 03 — 29 November 2005
XTAL1
GENERATOR
CLOCK AND
BAUD RATE
TRANSMIT
REGISTER
REGISTER
CONTROL
CONTROL
RECEIVE
LOGIC
LOGIC
FLOW
FLOW
FIFO
FIFO
XTAL2
TRANSMIT
REGISTER
REGISTER
RECEIVE
CONTROL
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
SHIFT
SHIFT
MODEM
LOGIC
SC68C752B
002aab017
TXA, TXB
RXA, RXB
DTRS, DTRB
RTSA, RTSB
OPA, OPB
CTSA, CTSB
RIA, RIB
CDA, CDB
DSRA, DSRB
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